Summer on Uranus lasts for 21 years.
358
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The earth is .02 degrees hotter during a full moon.
157
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88